https://www.youtube.com/watch?v=E2bFQ3U8g6o
If a series of truck size boulders or concrete blocks were stacked up like giant Lego bricks, that would be a good start. Sometimes there is a need for a prefabricated concrete perimeter wall to hold it all in place.
This is a much better foundation.
How Dubai Built the $1B Impossible Burj Al Arab on Open Water https://www.youtube.com/watch?v=U9vvpjUezn4
The Dark Side of Dubai’s SEVEN-STAR Hotel https://www.youtube.com/watch?v=RK4sRkIYHb4
The World's Only 7 Star Hotel - Burj Al Arab Dubai https://www.youtube.com/watch?v=iA_69g87Ilw